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Estudo de trafegabilidade aplicado a veículos de roda em transporte e tração
(Universidade Federal de Santa Maria, 2010-03-24)
The ability of vehicles to traverse soft soils is an important aspect of their performance. The geological, climate and topography diversity originated, in Rio
Grande do Sul, extensive areas of hydromorphic clay soils, ...
Aperfeiçoamento de um mecanismo sulcador para plantio direto de mandioca
(Universidade Federal de Santa Maria, 2010-10-23)
In the cassava production the conventional tillage, characterized by soil preparation with intensive mobilization, is commonly used. However, when this practice results in the maintenance of small quantities of straw on ...
Simulação de cenários de sustentabilidade hídrica da orizicultura na sub-bacia hidrográfica do Arroio Grande através da implantação de barragens temporárias
(Universidade Federal de Santa Maria, 2010-09-03)
Water shortages in certain periods have led to serious social conflicts, as well as economic and environmental impacts resulting from irrigated agriculture, especially of rice growing, which represents a high demand of ...
Previsão da ocorrência de requeima e alternaria em tomateiro industrial irrigado sob duas condições climáticas e seu custo
(Universidade Federal de Santa Maria, 2010-02-22)
The tomato (Lycopersicon esculentum Mill) is an important crop in the world and an important product for trade "in nature and for industry. The amount of fungicides used in
tomato crop for control of diseases is high and ...
Modelagem do desempenho em tração de conjuntos mecanizados visando ao dimensionamento do trator
(Universidade Federal de Santa Maria, 2010-03-16)
In pursuit of knowledge about the performance of agricultural tractors on the market and make the appropriate selection of attachments for each tractor, the research has presented mathematical models as an important tool ...
Transmissibilidade da vibração e distribuição da pressão na interface assento-operador de tratores agrícolas em condições dinâmicas
(Universidade Federal de Santa Maria, 2010-11-26)
Substantive changes introduced in the agricultural work, driven by further increases in
productivity in the agricultural machinery are the basis of this study. The tractor is a machine
used in most activities of tillage, ...
Funções de produção das culturas de milho e feijão através de estudo experimental e simulado
(Universidade Federal de Santa Maria, 2010-01-28)
The development of math models can available a tool to estimate and understand the behavior of the system in face of diferent situations, helping in the decision-making process, through a simplified representation of ...
Critérios para o aumento do índice de eficiência nos sistemas de irrigação tipo pivô central
(Universidade Federal de Santa Maria, 2010-01-27)
This work proposes improve the study about the efficiency indicators development, to be use in irrigation equipment for pivot. At first, it sought to make some clarifications about the current state of the irrigations ...
Proteção de gotejadores a obstrução por intrusão radicular em irrigação subsuperficial de figueiras
(Universidade Federal de Santa Maria, 2010-05-28)
An experiment of surface and subsurface drip irrigation in figs was held in Santa Maria, Rio Grande do Sul state, with aim of evaluate the disposables materials efficiency for protecting water emitters in subsuperface ...